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Use our Output Voltage Calculator to instantly calculate accurate output voltage for voltage divider, Ohm’s law, and load circuits with step-by-step results.
An Output Voltage Calculator helps you find the exact voltage at the output of an electrical circuit. Many students, engineers, and technicians struggle with voltage calculations because different circuits use different formulas. To solve this problem, we developed this online Output Voltage Calculator so users can calculate output voltage quickly, accurately, and without confusion.
This calculator is useful for voltage divider circuits, Ohm’s law calculations, load voltage after voltage drop, and sensor output voltage. You only need to enter basic values, and the calculator gives instant results with clear calculation steps.
Output voltage is the voltage measured at the output terminal of a circuit or electrical device. It is the voltage delivered to a load, component, or next stage of a system. Output voltage depends on input voltage, resistance, current, impedance, or load conditions.
Output voltage calculation is essential in electronics, power supply design, circuit analysis, and sensor applications.
The output voltage formula depends on the type of circuit. Below are the most accurate and widely accepted formulas used in our calculator.
Output voltage in a voltage divider circuit is calculated as:
Vout = Vin × (R2 / (R1 + R2))
This formula is used when two resistors are connected in series and the output voltage is taken across the second resistor.
When current and resistance are known, output voltage is calculated using Ohm’s law:
V = I × R
This formula is valid for any resistive load in a DC circuit.
When voltage drops across an impedance, the output voltage at the load is:
Vload = Vsource − (I × Z)
This formula is commonly used in wiring systems and power distribution.
For strain gauge load cells, output voltage is calculated as:
Vout = Rated Output (mV/V) × Excitation Voltage × (Applied Load / Rated Load)
This formula is used in measurement and sensor systems.
This process eliminates manual errors and saves time.
Assume an input voltage of 12 volts.
Resistor R1 is 4 ohms.
Resistor R2 is 8 ohms.
Using the voltage divider formula:
Vout = 12 × (8 / (4 + 8))
Vout = 12 × (8 / 12)
Vout = 8 volts
The output voltage across resistor R2 is 8 V.
Our calculator is designed to be simple, fast, and accurate. It supports multiple voltage calculation methods and automatically handles unit conversions. The step-by-step results help users understand how the final value is calculated.
This tool is perfect for students learning electronics, engineers working on circuit design, and technicians troubleshooting electrical systems.
The Output Voltage Calculator is a reliable and user-friendly tool for calculating output voltage in different electrical scenarios. It uses standard electrical formulas, provides instant results, and explains every calculation step clearly.
If you want accurate voltage calculations without manual effort, this calculator is the perfect solution.
An output voltage calculator is an online tool that calculates the voltage at the output of a circuit using standard electrical formulas.
Yes, the formulas used in this calculator are industry-standard and 100% accurate for ideal conditions.
Yes, the calculator supports load voltage calculation after voltage drop.
Yes, it is ideal for students, engineers, and professionals.
Yes, it automatically converts units to ensure correct results.